======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '39'
                                          'artist'  'Nanarland Radioblog'
                                     'text_people'  ''
                                         'release'  'Nanarland Radioblog'
                                           'title'  'L arriere train sifflera trois fois Down in Ohio'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'soundtrack-web'
                                             'bpm'  '111.8'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Nanarland Radioblog'
'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-web'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'L arriere train sifflera trois fois Down in Ohio'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nanarland Radioblog'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.380589'

========================== row from database ==========================
                                              'id'  1364853
                                            'path'  /data/Music/Bulk/0soundtrack/Nanarland Radioblog/L_arriere_train_sifflera_trois_fois_Down_in_Ohio.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  39
                                           'genre'  soundtrack-web
                                        'filesize'  640669
                                           'mtime'  1620329152
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack L_arriere_train_sifflera_trois_fois_Down_in_Ohio soundtrack web
                                      'tag_artist'  Nanarland Radioblog
                                     'tag_release'  Nanarland Radioblog
                                       'tag_title'  L arriere train sifflera trois fois Down in Ohio
                                             'bpm'  111.8
                                    'search_title'  'arriere':2 'down':7 'fois':6 'in':8 'l':1 'ohio':9 'sifflera':4 'train':3 'trois':5
                                   'search_artist'  'nanarland':1 'radioblog':2
                                  'search_release'  'nanarland':1 'radioblog':2
                                     'search_rest'  '0soundtrack':1 'arriere':3 'down':8 'fois':7 'in':9 'l':2 'ohio':10 'sifflera':5 'soundtrack':11 'train':4 'trois':6 'web':12
                                    'search_combo'  '0soundtrack':14 'arriere':2A,16 'down':7A,21 'fois':6A,20 'in':8A,22 'l':1A,15 'nanarland':10B,12C 'ohio':9A,23 'radioblog':11B,13C 'sifflera':4A,18 'soundtrack':24 'train':3A,17 'trois':5A,19 'web':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620329152.0928984  (2021-05-06 21:25:52)
                             'size'  640669